Blar i NIBIO Brage på forfatter "Jaakola, Laura"
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Abscisic acid regulates anthocyanin biosynthesis and gene expression associated with cell wall modification in ripening bilberry (vaccinium myrtillus l.) fruits
Karppinen, Katja Hannele; Tegelberg, Pinja; Häggman, Hely; Jaakola, Laura (Journal article; Peer reviewed, 2018-08-29)Ripening of non-climacteric bilberry (Vaccinium myrtillus L.) fruit is characterized by a high accumulation of health-beneficial anthocyanins. Plant hormone abscisic acid (ABA) and sucrose have been shown to be among the ... -
Altered regulation of TERMINAL FLOWER 1 causes the unique vernalisation response in an arctic woodland strawberry accession
Koskela, Elli A.; Kurokura, Takeshi; Toivainen, Tuomas; Sønsteby, Anita; Heide, Ola M; Sargent, Daniel J.; Isobe, Sachiko; Jaakola, Laura; Hilmarsson, Hrannar; Elomaa, Paula; Hytönen, Timo (Journal article; Peer reviewed, 2017-11)• Vernalisation requirement is an agriculturally important trait that postpones the development of cold-sensitive floral organs until the spring. The family Rosaceae includes many agriculturally important fruit and berry ... -
Analysis of composition, morphology, and biosynthesis of cuticular wax in wild type bilberry (Vaccinium myrtillus L.) and its glossy mutant
Trivedi, Priyanka; Nguyen, Nga; Klavins, Linards; Kviesis, Jorens; Heinonen, Esa; Remes, Janne; Jokipii-Lukkari, Soile; Klavins, Maris; Karppinen, Katja; Jaakola, Laura; Häggman, Hely (Peer reviewed; Journal article, 2021-03-09)In this study, cuticular wax load, its chemical composition, and biosynthesis, was studied during development of wild type (WT) bilberry fruit and its natural glossy type (GT) mutant. GT fruit cuticular wax load was ... -
Anthocyanin Profile in Berries of Wild and Cultivated Vaccinium spp. along Altitudinal Gradients in the Alps
Zoratti, Laura; Jaakola, Laura; Häggman, Hely; Giongo, Lara (Journal article; Peer reviewed, 2015)Vaccinium spp. berries provide some of the best natural sources of anthocyanins. In the wild bilberry (Vaccinium myrtillus L.), a clear increasing trend in anthocyanin biosynthesis has been reported toward northern latitudes ... -
Authentication of berries and berry-based food products
Salo, Heikki M.; Nguyen, Nga; Alakärppä, Emmi; Klavins, Linards; Hykkerud, Anne Linn; Karppinen, Katja; Jaakola, Laura; Klavins, Maris; Häggman, Hely (Peer reviewed; Journal article, 2021-08-01)Berries represent one of the most important and high-valued group of modern-day health-beneficial “superfoods” whose dietary consumption has been recognized to be beneficial for human health for a long time. In addition ... -
Carotenoid metabolism during bilberry (Vaccinium myrtillus L.) fruit development under different light conditions is regulated by biosynthesis and degradation
Karppinen, Katja; Zoratti, Laura; Sarala, Marian; Carvalho, Elisabete; Hirsimäki, Jenni; Mentula, Helmi; Martens, Stefan; Häggman, Hely; Jaakola, Laura (Journal article; Peer reviewed, 2016)Background: Carotenoids are important pigments and precursors for central signaling molecules associated in fruit development and ripening. Carotenoid metabolism has been studied especially in the climacteric tomato fruit ... -
Changes in the Proanthocyanidin Composition and Related Gene Expression in Bilberry (Vaccinium myrtillus L.) Tissues
Suvanto, Jussi; Karppinen, Katja; Riihinen, Kaisu; Jaakola, Laura; Salminen, Juha-Pekka (Peer reviewed; Journal article, 2020-06-16)Berries of genus Vaccinium are rich in flavonoids and proanthocyanidins (PAs). We studied the PA composition and biosynthesis in bilberry (Vaccinium myrtillus L.) tissues and during fruit development. Soluble PAs, analyzed ... -
Composition of Sugars, Organic Acids, Phenolic Compounds, and Volatile Organic Compounds in Lingonberries (Vaccinium vitis-idaea L.) at Five Ripening Stages
Amundsen, Mathias; Hykkerud, Anne Linn; Kelanne, Niina; Tuominen, Sanni; Schmidt, Gesine; Laaksonen, Oskar; Yang, Baoru; Martinussen, Inger; Jaakola, Laura; Aaby, Kjersti (Peer reviewed; Journal article, 2023-05-26)Wild lingonberries are a traditional source of food in the Nordic countries and an important contributor to economic activity of non-wood forest products in the region. Lingonberries are a rich source of bioactive compounds ... -
Compositional and morphological analyses of wax in northern wild berry species
Trivedi, Priyanka; Karppinen, Katja; Klavins, Linards; Kviesis, Jorens; Sundqvist, Petri; Nguyen, Nga; Heinonen, Esa; Klavins, Maris; Jaakola, Laura; Väänänen, Juha; Remes, Janne; Häggman, Hely (Peer reviewed; Journal article, 2019-05-21)Aerial surfaces of plants are covered by a waxy cuticle protecting plants from excessive water loss and UV light. In the present study, composition and morphology of cuticular waxes of northern wild berry species bilberry ... -
The Coordinated Action of MYB Activators and Repressors Controls Proanthocyanidin and Anthocyanin Biosynthesis in Vaccinium
Lafferty, Declan J.; Espley, Richard V.; Deng, Cecilia H; Dare, Andrew P.; Günther, Catrin S.; Jaakola, Laura; Karppinen, Katja; Boase, Murray R.; Wang, Lei; Luo, Henry; Allan, Andrew C.; Albert, Nick W. (Peer reviewed; Journal article, 2022-06-24)Vaccinium berries are regarded as “superfoods” owing to their high concentrations of anthocyanins, flavonoid metabolites that provide pigmentation and positively affect human health. Anthocyanin localization differs between ... -
Developmental and Environmental Regulation of Cuticular Wax Biosynthesis in Fleshy Fruits
Trivedi, Priyanka; Nguyen, Nga; Hykkerud, Anne Linn; Häggman, Hely; Martinussen, Inger; Jaakola, Laura; Karppinen, Katja (Journal article; Peer reviewed, 2019-04-11)The aerial parts of land plants are covered by a hydrophobic layer called cuticle that limits non-stomatal water loss and provides protection against external biotic and abiotic stresses. The cuticle is composed of polymer ... -
Distribution of biodiversity of wild beet species (Genus Beta L.) in Armenia under ongoing climate change conditions
Avetisyan, Anna; Aloyan, Tatevik; Iskandaryan, Amalya; Harutyunyan, Margarita; Jaakola, Laura; Melikyan, Andreas (Peer reviewed; Journal article, 2022-09-24)The reported annual temperature increase and significant precipitation drop in Armenia impact the country’s ecosystems and biodiversity. The present study surveyed the geographical distribution of the local wild beet species ... -
A dPCR Method for Quantitative Authentication of Wild Lingonberry (Vaccinium vitis-idaea) versus Cultivated American Cranberry (V. macrocarpon)
Karppinen, Katja; Avetisyan, Anna; Hykkerud, Anne Linn; Jaakola, Laura (Peer reviewed; Journal article, 2022-05-19)Berries of the genus Vaccinium are highly valued health-beneficial superfoods, which are commonly subjected to adulteration and mixed with each other, or with other common berry species. A quantitative DNA-based method ... -
Effect of ripening temperature on the chemical composition of lingonberries (Vaccinium vitis-idaea L.) of northern and southern origin
Amundsen, M.; Jaakola, Laura; Aaby, Kjersti; Martinussen, Inger; Kelanne, N.; Tuominen, S.; Laaksonen, O.; Yang, B.; Hykkerud, Anne Linn (Peer reviewed; Journal article, 2023) -
Effects of Temperature and Photoperiod on Yield and Chemical Composition of Northern and Southern Clones of Bilberry (Vaccinium myrtillus L.)
Uleberg, Eivind; Rohloff, Jens; Jaakola, Laura; Trost, Kajetan; Junttila, Olavi; Häggman, Hely; Martinussen, Inger (Journal article; Peer reviewed, 2012)After pollination outdoors individual bilberry plants from two Northern and two Southern clones were studied for climatic effects on berry yield and quality in a controlled phytotrone experiment at 12 °C and 18 °C. At each ... -
Elucidation of the molecular responses during the primary infection of wild blueberry phenotypes with Monilinia vaccinii-corymbosi under field conditions
Jose, Sherin; Abbey, Joel; Jaakola, Laura; Percival, David (Peer reviewed; Journal article, 2021-10-27)Background Monilinia blight caused by Monilinia vaccinii-corymbosi (Reade) Honey (M.vc) is a major disease of wild blueberry that can result in severe crop losses in the absence of an integrated disease management programme. ... -
Functional phenomics for improved climate resilience in Nordic agriculture
Roitsch, Thomas; Himanen, Kristiina; Chawade, Aakash; Jaakola, Laura; Nehe, Ajit; Alexandersson, Erik (Peer reviewed; Journal article, 2022-09-03)The five Nordic countries span the most northern region for field cultivation in the world. This presents challenges per se, with short growing seasons, long days, and a need for frost tolerance. Climate change has ... -
Genetic diversity and population structure of an important wild berry crop
Zoratti, Laura; Palmieri, Luisa; Jaakola, Laura; Häggman, Hely (Journal article; Peer reviewed, 2015)The success of plant breeding in the coming years will be associated with access to new sources of variation, which will include landraces and wild relatives of crop species. In order to access the reservoir of favourable ... -
High tolerance of a high-arctic willow and graminoid to simulated ice encasement
Bjerke, Jarle W.; Elverland, Ellen; Jaakola, Laura; Lund, Leidulf; Zagajewski, Bogdan; Bochenek, Zbigniew; Kłos, Andrzej; Tømmervik, Hans (Journal article; Peer reviewed, 2018-12-17)Climate change-induced snow thaw and subsequent accumulation of ice on the ground is a potential, major threat to snow-dominated ecosystems. While impacts of ground-ice on arctic wildlife are well explored, the impacts on ... -
Impact of Multiple Ecological Stressors on a Sub-Arctic Ecosystem: No Interaction Between Extreme Winter Warming Events, Nitrogen Addition and Grazing
Bokhorst, Stef; Berg, Matty P.; Edvinsen, Guro Kristine; Ellers, Jacintha; Heitman, Amber; Jaakola, Laura; Mæhre, Hanne K; Phoenix, Gareth K.; Tømmervik, Hans; Bjerke, Jarle W. (Journal article; Peer reviewed, 2018-11-30)Climate change is one of many ongoing human-induced environmental changes, but few studies consider interactive effects between multiple anthropogenic disturbances. In coastal sub-arctic heathland, we quantified the impact ...